code: def wait_and_fail(t):
      import time
  
      time.sleep(t)
      return 1 / 0
  
file_path: ipyparallel/examples/dependencies.py
imports: import ipyparallel
  from ipyparallel import Dependency
label_desc: Use image node_id 7 for calling a global function with example usage: wait_and_fail(t) and returns: unknown